Add hide attribute support to attribute selector (#77072)

Co-authored-by: Erik Montnemery <erik@montnemery.com>

homeassistant/helpers/selector.py

@@ -206,10 +206,11 @@ class AreaSelector(Selector):
         return [vol.Schema(str)(val) for val in data]
 
 
-class AttributeSelectorConfig(TypedDict):
+class AttributeSelectorConfig(TypedDict, total=False):
     """Class to represent an attribute selector config."""
 
     entity_id: str
+    hide_attributes: list[str]
 
 
 @SELECTORS.register("attribute")
@@ -218,7 +219,14 @@ class AttributeSelector(Selector):
 
     selector_type = "attribute"
 
-    CONFIG_SCHEMA = vol.Schema({vol.Required("entity_id"): cv.entity_id})
+    CONFIG_SCHEMA = vol.Schema(
+        {
+            vol.Required("entity_id"): cv.entity_id,
+            # hide_attributes is used to hide attributes in the frontend.
+            # A hidden attribute can still be provided manually.
+            vol.Optional("hide_attributes"): [str],
+        }
+    )
 
     def __init__(self, config: AttributeSelectorConfig) -> None:
         """Instantiate a selector."""

tests/helpers/test_selector.py

@@ -458,6 +458,11 @@ def test_select_selector_schema_error(schema):
             ("friendly_name", "device_class"),
             (None,),
         ),
+        (
+            {"entity_id": "sensor.abc", "hide_attributes": ["friendly_name"]},
+            ("device_class", "state_class"),
+            (None,),
+        ),
     ),
 )
 def test_attribute_selector_schema(schema, valid_selections, invalid_selections):